Where is the flange size of pneumatic wafer seal butterfly valve used? First inspection: check the manual of pneumatic butterfly valve: sampling inspection. It includes two books: the quality specification of raw materials and the finished product specification of the manufacturer. The quality of valve raw materials shall be subject to sampling inspection according to relevant regulations, and the inspection results shall comply with the provisions of the current national standards or the requirements of the order contract. After the valve is assembled and formed, its surface shall be free of defects such as paint dropping, and collision shall be avoided during the transportation of the valve.
、 When every friend can better master each part of the electric three-way butterfly valve, it can make each part achieve a more ideal effect. When the medium flow direction and various parts need to be changed, only simple power operation is required, which fully reflects the progress of the current overall technology. Therefore, users can be more confident and have a more comprehensive understanding of the equipment.
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